diff --git a/ToolFunction/ToolFunction.py b/ToolFunction/ToolFunction.py
index 1b518c2..6f0803a 100644
--- a/ToolFunction/ToolFunction.py
+++ b/ToolFunction/ToolFunction.py
@@ -105,4 +105,18 @@ def print_scanAxis(dataSet):
             }
         )
     print("The detected scaning axes and values are: /n")
-    print(scan)
\ No newline at end of file
+    print(scan)
+    
+
+def calculate_mean(dataSet):
+    if 'runs' in dataSet.dims:
+        return dataSet.mean(dim='runs')
+    else:
+        return dataSet
+    
+
+def calculate_std(dataSet):
+    if 'runs' in dataSet.dims:
+        return dataSet.mean(dim='runs')
+    else:
+        return None
\ No newline at end of file